I am trying to run this ArcPy example from ESRI TraceGeometricNetwork example 2
<SPAN class="comment token"># Import arcpy module</SPAN>
<SPAN class="keyword token">import</SPAN> arcpy
<SPAN class="comment token"># Local variables:</SPAN>
Water_Net <SPAN class="operator token">=</SPAN> <SPAN class="string token">"C:/GeometricNetworks/Montgomery.gdb/Water/Water_Net"</SPAN>
Flags <SPAN class="operator token">=</SPAN> <SPAN class="string token">"C:/GeometricNetworks/Montgomery.gdb/Water/Flags"</SPAN>
Water_Net_2 <SPAN class="operator token">=</SPAN> <SPAN class="string token">"Water_Net"</SPAN>
<SPAN class="comment token"># Process: Trace Geometric Network</SPAN>
arcpy<SPAN class="punctuation token">.</SPAN>TraceGeometricNetwork_management<SPAN class="punctuation token">(</SPAN>Water_Net<SPAN class="punctuation token">,</SPAN> Water_Net_2<SPAN class="punctuation token">,</SPAN> Flags<SPAN class="punctuation token">,</SPAN> <SPAN class="string token">"FIND_PATH"</SPAN><SPAN class="punctuation token">,</SPAN> <SPAN class="string token">""</SPAN><SPAN class="punctuation token">,</SPAN> <SPAN class="string token">""</SPAN><SPAN class="punctuation token">,</SPAN> <SPAN class="string token">"Friction_Factor"</SPAN><SPAN class="punctuation token">,</SPAN> <SPAN class="string token">"Friction_Factor"</SPAN><SPAN class="punctuation token">,</SPAN> <SPAN class="string token">""</SPAN><SPAN class="punctuation token">,</SPAN> <SPAN class="string token">"NO_TRACE_ENDS"</SPAN><SPAN class="punctuation token">,</SPAN> <SPAN class="string token">""</SPAN><SPAN class="punctuation token">,</SPAN> <SPAN class="string token">""</SPAN><SPAN class="punctuation token">,</SPAN> <SPAN class="string token">""</SPAN><SPAN class="punctuation token">,</SPAN> <SPAN